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(a) Normalized cell traction force in leading, middle, and trailing regions while cell shape contracted or elongated. (b) Average number of covered microposts in leading, middle, and trailing regions while cell shape contracted or elongated. Results are reported as mean ± SE and 23 cells were analyzed. Statistical significance was calculated using Student’s t-test (*p < 0.05, **p < 0.01, and ***p < 0.001).
